The Consumer Confidence Reports (CCRs) and Water Use Efficiency (WUE) reports listed below summarize 2021 data and are be posted by July 1, 2022, per Washington Department of Health (DOH) regulations.
The reports below are for Group A water systems only.
| Water System | Consumer Confidence Reports | Water Use Efficiency Reports |
| 141st Ave KPN | 2021 | 2021 |
| Aust | 2021 | 2021 |
| Biscay Acres | 2021 | 2021 |
| Boots & Saddles | 2021 | 2021 |
| Burnsville | 2021 | 2021 |
| Cedar Ridge Estates | 2021 | 2021 |
| Cedar Shores | 2021 | 2021 |
| Cedarwood | 2021 | 2021 |
| Clerget | 2021 | 2021 |
| Cooperfield | 2021 | 2021 |
| Coppermill | 2021 | 2021 |
| Cornerstone Est | 2021 | 2021 |
| Country Club | 2021 | 2021 |
| Country Club Estates | 2021 | 2021 |
| Countrywood Estates | 2021 | 2021 |
| Covington | 2021 | 2021 |
| Crescent Park | 2021 | 2021 |
| Crocker Creek | 2021 | 2021 |
| Crowder Road | 2021 | 2021 |
| Deerfield Park 1 | 2021 | 2021 |
| Deerfield Park 2 | 2021 | 2021 |
| Deschutes Village | 2021 | 2021 |
| East Olympia | 2021 | 2021 |
| Eggimann | 2021 | 2021 |
| Elk Heights | 2021 | 2021 |
| Evergreen Vista | 2021 | 2021 |
| Forest Glen | 2021 | 2021 |
| Giffords | 2021 | 2021 |
| Glacier Vista | 2021 | 2021 |
| Glen Alder | 2021 | 2021 |
| Hawk Acres | 2021 | 2021 |
| Hawley Hills | 2021 | 2021 |
| Horsfall | 2021 | 2021 |
| Keanland Park | 2021 | 2021 |
| Lazy Acres | 2021 | 2021 |
| Lew's 81st | 2021 | 2021 |
| Loma Vista | 2021 | 2021 |
| Longhorn Country Est | 2021 | 2021 |
| Marvin Gardens | 2021 | 2021 |
| Maxvale | 2021 | 2021 |
| Meadow Wood | 2021 | 2021 |
| Meadows | 2021 | 2021 |
| Mountain Lakeview | 2021 | 2021 |
| Nisqually Highlands | 2021 | 2021 |
| Palermo | 2021 | 2021 |
| Pattison | 2021 | 2021 |
| Pederson Place | 2021 | 2021 |
| Pit | 2021 | 2021 |
| Pleasant Valley | 2021 | 2021 |
| Prairie Ridge | 2021 | 2021 |
| Prairie View Estates | 2021 | 2021 |
| Prairie Villa | 2021 | 2021 |
| Quail Run | 2021 | 2021 |
| Redtail Hawk | 2021 | 2021 |
| Ridgewood | 2021 | 2021 |
| Riverlea | 2021 | 2021 |
| ROM | 2021 | 2021 |
| Roy 325th | 2021 | 2021 |
| Sandra Avenue | 2021 | 2021 |
| Scatter Creek Ranch | 2021 | 2021 |
| Silver Fox | 2021 | 2021 |
| Skookumchuck | 2021 | 2021 |
| Smith S Prairie | 2021 | 2021 |
| Spanaway 192nd | 2021 | 2021 |
| Sward | 2021 | 2021 |
| Tahoma Meadows | 2021 | 2021 |
| Talcott Ridge | 2021 | 2021 |
| Tanglewilde | 2021 | 2021 |
| Terry Lane | 2021 | 2021 |
| The Vineyard | 2021 | 2021 |
| Timberline Village | 2021 | 2021 |
| Tolmie Park | 2021 | 2021 |
| Travis Jack | 2021 | 2021 |
| Valley Meadows | 2021 | 2021 |
| Walczak | 2021 | 2021 |
| Webster Hill | 2021 | 2021 |
| Whiskey Hollow | 2021 | 2021 |
| Wilderness Glen | 2021 | 2021 |